HOLLEY STRIP DOMINATOR AND MATCHED OVAL PORT HEADS.HEADS HAVE BEEN PORTED AND MATCHED TO HOLLEY ALUMINUM STRIP DOMINATOR INTAKE MANIFOLD, THEY HAVE HP VALVES AND SPRINGS AND HAVERECENTLY BEEN REBUILT. HEADS ARE OFF A 1967 CHEVELLE 396 SAME AS390HP 427. CASTING NUMBER IS 3904390.PRICE IS FIRM.......MAY TRADE. ...........CALL OR TEXT BETWEEN 10am-10pm ONLY, THANKS